22 Result(s)
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Article
Yi-Kang **ng
Chemistry
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Article
Divergent synthesis of aryl amines and dihydroquinazolinones via electrochemistry-enabled rhodium-catalyzed C–H functionalization
Electrochemistry-enabled rhodium-catalyzed C–H amination and amination cyclization of arene assisted by a weakly coordinating amide have been reported. Additionally, aryl amines and dihydroquinazolinones could...
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Selective Enrichment of Gram-positive Bacteria from Apple Juice by Magnetic Fe3O4 Nanoparticles Modified with Phytic Acid
The emergence of magnetic nanotechnology has prompted the development of novel sample preparation techniques. Phytic acid (PA) is an organophosphate compound of natural origin. Not only is it highly attractive...
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Open AccessCascade synthesis of uridine-5′-diphosphate glucuronic acid by coupling multiple whole cells expressing hyperthermophilic enzymes
Enzymatic glycan synthesis has leapt forward in recent years and a number of glucuronosyltransferase (EC 2.4.1.17) have been identified and prepared, which provides a guide to an efficient approach to prepare ...
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Adsorption of U(VI) on montmorillonite pillared with hydroxy-aluminum
Hydroxy-aluminum pillared Na-montmorillonite(OH–Al-MT) was prepared for studying sorption of U(VI) in the existence of soluble calcium (Ca2+), carbonate ion (CO32−) and humic acid. Various characterizations confi...
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Chemical Constituents of Bacillus coagulans LL1103
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Open AccessPurification, characterization and procoagulant activity of polysaccharides from Angelica dahurice roots
Five polysaccharides, namely ADPs-1a, ADPs-1b, ADPs-2, ADPs-3a and ADPs-3b, were extracted from Angelicae dahuricae Radix, purified, and identified by high performance gel permeation chromatography (HPSEC), gas c...
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Composition of the volatiles of Yucca gloriosa flowers
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Analysis of volatiles in the male flower of Ilex cornuta by HS-SPME-GC-MS
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Aroma volatile compounds in Mussaenda pubescens
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Volatiles from flowers of Photinia serrulata by HS-SPME-GC-MS
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Analysis of volatiles in Belamcanda chinensis flowers by HS-SPME-GC-MS
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Volatiles in flowers of Viburnum odoratissimum
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Composition of the essential oil of Lysimachia pentapetala flowers
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Analysis of volatiles in the flowers of Patrinia scabiosifolia BY HS-SPME-GC-MS
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A new carbamic acid from Dryopteris wallichiana
A new carbamic acid, (1,7a-dihydro-1H-inden-2(7aH)-ylidene)methylcarbamic acid (1), along with three known ones, 12-ursen-28-oic acid-3-O-β-D-glucopyranoside (2), 12-ursen-3-O-β-D-glucopyranoside (3), and 3,7,11,...
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Sesquiterpenes and triterpenes from Aeschynanthus mengxinggensis
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Rapid Determination of Volatile Compounds in Gymnotheca involucrata Pei. by MAE–HS-SPME Followed by GC–MS
Microwave-assisted extraction (MAE) and headspace solid-phase microextraction (HS-SPME) followed by gas chromatography–mass spectrometry (GC–MS) was developed for the rapid determination of the volatile chemic...
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Decontamination of VX Surrogate Malathion by Atmospheric Pressure Radio-frequency Plasma Jet
Decontamination of the VX surrogate (malathion) by the atmospheric pressure radio-frequency plasma jet (APPJ) was investigated. Optical emission spectroscopy was used to identify the active species and measure...
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A new xanthone from the roots of Securidaca inappendiculata
A new xanthone, 3-hydroxy-1,2,5,8-tetramethoxyxanthone, along with three known ones, 1,3,8-trihydroxy-2-methoxyxanthone, 1,3,8-trihydroxy-4-methoxyxanthone and 1,3,6-trihydroxy-2,7-dimethoxyxanthone, was isola...
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Effects of Temperature on Benzene Oxidation in Dielectric Barrier Discharges
Effects of gas temperature on the conversion of benzene and the selectivity of CO and CO2 are analyzed and compared in dielectric barrier discharges. Gas temperature is determined by the method of the optical emi...
